Unocthexium is the systematic name of the theoretical ที่ 186 element in the periodic table with a symbol of Uoh and atomic number of 186. Unocthexium, also known as element 186, has หนึ่งร้อยแปดสิบหก protons in its nucleus, and หนึ่งร้อยแปดสิบหก electrons in its shells.